A002378 - cp's OEIS frontend

A002378 Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1).

n	a(n)
0	0
1	2
2	6
3	12
4	20
5	30
6	42
7	56
8	72
9	90
10	110
11	132
12	156
13	182
14	210
15	240
16	272
17	306
18	342
19	380
20	420
21	462
22	506
23	552
24	600
25	650
26	702
27	756
28	812
29	870
30	930
31	992
32	1056
33	1122
34	1190
35	1260
36	1332
37	1406
38	1482
39	1560
40	1640
41	1722
42	1806
43	1892
44	1980
45	2070
46	2162
47	2256
48	2352
49	2450
50	2550

[0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462, 506, 552, 600, 650, 702, 756, 812, 870, 930, 992, 1056, 1122, 1190, 1260, 1332, 1406, 1482, 1560, 1640, 1722, 1806, 1892, 1980, 2070, 2162, 2256, 2352, 2450, 2550]

cp's OEIS Frontend

A002378 Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1).

Table of values

List of values